diff --git a/onionr/api.py b/onionr/api.py
index 6b45f97e..97a4d247 100755
--- a/onionr/api.py
+++ b/onionr/api.py
@@ -129,11 +129,7 @@ class API:
                 pass
             elif action == 'getPGP':
                 resp = Response(self._utils.exportMyPubkey())
-            elif action == 'setData':
-                if data == None:
-                    abort(401)
-                else:
-                    self._core.setData(data)
+            # setData should be something the communicator initiates, not this api
             elif action == 'getData':
                 resp = Response(self._core.getData(data))
 
diff --git a/onionr/communicator.py b/onionr/communicator.py
index 230911ae..73dd0bd8 100755
--- a/onionr/communicator.py
+++ b/onionr/communicator.py
@@ -28,6 +28,8 @@ class OnionrCommunicate:
         This class handles communication with nodes in the Onionr network.
         '''
         self._core = core.Core()
+        blockProcessTimer = 0
+        blockProccesAmount = 5
         if debug:
             print('Communicator debugging enabled')
         torID = open('data/hs/hostname').read()
@@ -42,8 +44,15 @@ class OnionrCommunicate:
 
         while True:
             command = self._core.daemonQueue()
+
+            # Process blocks based on a timer
+            blockProcessTimer += 1
+            if blockProcessTimer == blockProcessAmount:
+                self._core.processBlocks()
+                blockProcessTimer = 0
+
             if debug:
-                print('Daemon heartbeat')
+                print('Communicator daemon heartbeat')
             if command != False:
                 if command[0] == 'shutdown':
                     print('Daemon recieved exit command.')
diff --git a/onionr/core.py b/onionr/core.py
index 9a755445..143f14bb 100644
--- a/onionr/core.py
+++ b/onionr/core.py
@@ -134,7 +134,18 @@ class Core:
 
     def setData(self, data):
         '''set the data assciated with a hash'''
-        hasher = hashlib.sha3_256
+        data = data.encode()
+        hasher = hashlib.sha3_256()
+        hasher.update(data)
+        dataHash = hasher.hexdigest()
+        blockFileName = self.blockDataLocation + dataHash + '.dat'
+        if os.path.exists(blockFileName):
+            raise Exception("Data is already set for " + dataHash)
+        else:
+            blockFile = open(blockFileName, 'w')
+            blockFile.write(data)
+            blockFile.close()
+        return dataHash
 
     def dataDirEncrypt(self, password):
         '''
@@ -216,4 +227,11 @@ class Core:
         generate and return an HMAC key
         '''
         key = base64.b64encode(os.urandom(32))
-        return key
\ No newline at end of file
+        return key
+
+    def processBlocks(self):
+        '''
+        Work with the block database and download any missing blocks
+        This is meant to be called from the communicator daemon on its timer.
+        '''
+        return
\ No newline at end of file